rainproof

American  

[reyn-proof] / ˈreɪnˌpruf /

adjective

1. impervious to rain; keeping out or unaffected by rain.

   a rainproof cover; a rainproof coat.

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verb (used with object)

1. to make rainproof.

rainproof British  

/ ˈreɪnˌpruːf /

adjective

1. Also: raintight.  (of garments, materials, buildings, etc) impermeable to rainwater

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verb

1. (tr) to make rainproof

Etymology

Origin of rainproof

First recorded in 1825–35; rain + -proof

Example Sentences

See Examples For:

rainproof

They form weirdly impenetrable firefighting foam; they also give us waterproof mascara, rainproof tents, leakproof burger wrappers, and nonstick pans.

From Slate ● Jul. 30, 2022

Arc’teryx Zeta SL Rain Jacket: This performance wind- and rainproof jacket out of Vancouver is part of a select array of Arc’teryx gear that’s 25% off during the sale.

From Seattle Times ● May 21, 2021

Three mornings of stunned surprise that I’d managed to rainproof myself to the extent that I had no idea what half the country wanted, or who they were.

From The Guardian ● Dec. 11, 2016

However, during a recent trip to Scotland, the rain and wind drove him inside — to a store where he purchased a wind- and rainproof North Face jacket.

From Washington Post ● Aug. 6, 2015

To be sure, we slept on bare floors, but the roof was rainproof, which was the essential thing.

From Kitchener's Mob Adventures of an American in the British Army by Hall, James Norman